Home / 7,577.87-11,366.66-2,647.49

Finding the Fourth Proportional to 7,577.87, 11,366.66 and 2,647.49

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Solution

The fourth proportional to 7,577.87, 11,366.66 and 2,647.49 is: 3,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.87 : 11,366.66 = 2,647.49 : x
  2. Step 2: Convert to fraction form
    7,577.87/11,366.66 = 2,647.49/x
  3. Step 3: Cross multiply
    7,577.87x = 11,366.66 × 2,647.49
  4. Step 4: Simplify right side
    7,577.87x = 30,093,068.47
  5. Step 5: Solve for x
    x = 30,093,068.47/7,577.87
  6. Step 6: Final answer
    x = 3,971.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.